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Atomically Dispersed Au–(OH)x Species Bound on Titania Catalyze the Low-Temperature Water-Gas Shift Reaction
Abstract
We report a new method for stabilizing appreciable loadings (~1 wt %) of isolated gold atoms on titania and show that these catalyze the low-temperature water-gas shift reaction. The method combines a typical gold deposition/precipitation method with UV irradiation of the titania support suspended in ethanol. Dissociation of H2O on the thus-created Au-O-TiO(x) sites is facile. At higher gold loadings, nanoparticles are formed, but they were shown to add no further activity to the atomically bound gold on titania. Removal of this "excess" gold by sodium cyanide leaching leaves the activity intact and the atomically dispersed gold still bound on titania. The new materials may catalyze a number of other reactions that require oxidized active metal sites.
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Cited by
Fei, H., Dong, J., Feng, Y., Allen, C. S., Wan, C., Volosskiy, B., Li, M., Zhao, Z., Wang, Y., Sun, H., et al. (2018) · Nature Catalysis · doi:10.1038/s41929-017-0008-y · Cited by 1,973
Atomic cobalt on nitrogen-doped graphene for hydrogen generation
Fei, H., Dong, J., Arellano-Jiménez, M. J., Ye, G., Dong Kim, N., Samuel, E. L. G., Peng, Z., Zhu, Z., Qin, F., Bao, J., et al. (2015) · Nature Communications · doi:10.1038/ncomms9668 · Cited by 1,621
Catalysis by Supported Single Metal Atoms
Liu, J. (2017) · ACS Catalysis · doi:10.1021/acscatal.6b01534 · Cited by 1,331
Tuning selectivity of electrochemical reactions by atomically dispersed platinum catalyst
Choi, C. H., Kim, M., Kwon, H. C., Cho, S. J., Yun, S., Kim, H.-T., Mayrhofer, K. J. J., Kim, H., & Choi, M. (2016) · Nature Communications · doi:10.1038/ncomms10922 · Cited by 849
Selective hydrogenation of 1,3-butadiene on platinum–copper alloys at the single-atom limit
Lucci, F. R., Liu, J., Marcinkowski, M. D., Yang, M., Allard, L. F., Flytzani-Stephanopoulos, M., & Sykes, E. C. H. (2015) · Nature Communications · doi:10.1038/ncomms9550 · Cited by 601
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Metadata
- Authors
- Yang, M., Allard, L. F., & Flytzani-Stephanopoulos, M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-03-01
- Volume
- 135
- Issue
- 10
- Pages
- 3768-3771
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2087570091
- Cited by
- 407
- References
- 0
- FWCI
- 11.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Atomically Dispersed Au–(OH)x Species Bound on Titania Catalyze the Low-Temperature Water-Gas Shift Reaction. https://app.cochat.ai/papers/10.1021/ja312646d
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- Yang, M., Allard, L. F., & Flytzani-Stephanopoulos, M. (2013). Atomically Dispersed Au–(OH)x Species Bound on Titania Catalyze the Low-Temperature Water-Gas Shift Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/ja312646d
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